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【单选题】
葡萄糖为碳源进行酿酒酵母培养,呼吸商为1.04,氨为氮源。消耗100mol葡萄糖和48mol氨,生成菌体48mol、二氧化碳312mol和水432mol。求氧的消耗量和酵母菌体的化学组成。A.
324.48，C 6 H 6 O 3 N 4
B.
300， C 6 H 1 0 O 3 N
C.
324.48，C 6 H 12 O 3 N
D.
300， C 3 H 8 O 4 N 5
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【单选题】A: Have you heard that all flights have been cancelled because of the weather? B: ______.
A.
No, I didn't hear that. I've been in a meeting all day.
B.
0h,my goodness! Are you hurt?
C.
Yes, what a pity! But I'm glad you could stay.
D.
Damn the weather! I wish I could fly.
【单选题】— Have you heard that Susan has been appointed Director of the Engineering Department? — After working so hard for so many years, ____. [ ]
A.
she surely welcomes it
B.
she certainly deserves it
C.
she is welcomed to it
D.
it' s good news
【单选题】Have you heard that Tom broke his leg again?
A.
Oh, I'm sorry to hear that.
B.
Sorry, I don't know.
C.
Ok, thanks.
D.
What's up?
【单选题】—Have you heard that 13 Chinese sailors were killed in Thailand on Oct 5 ? —Yes , news came as shock to me .
A.
the ; a
B.
the ; the
C.
a ; a
D.
a ; the
【单选题】－Have you heard that China has problems Diaoyu Island? －Yes, but I think China will have no difficulty the problem.
A.
in ; to solve
B.
with ; to solve
C.
with ; solving
D.
in ; solving
【单选题】听力原文：M: Have you heard that in another few years you may be able to buy a car that changes colors every day to match the outfit you are wearing? W: Oh, please be serious! I suppose they will change sh...
A.
She is impressed.
B.
She is doubtful.
C.
She is shocked.
D.
She is surprised.
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